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040000 tree 7a4c0e8924342df71334c470d98e859780ba2927	chain
040000 tree 58551ecc1d8a975f9e7841df19e35b3adc470259	db
040000 tree b94dcadf2fdcb3ec774a987d042a1325e56c6d1b	fieldsel
040000 tree 6dced7002375d7e2da82ea59308535e4e9db9ab2	input
040000 tree 4b6118b677145ae8607d93b63ef0803fc58d80e6	jobcontrol
040000 tree 8b2015b5a377e23ad7e5b2fd4bcf43b4d1fc66bd	join
040000 tree 724a81a29e4a8fe5394731ec7d54346d93377d7e	map
040000 tree 10a46c61600a02f309e16eb0e24ac614cd55e272	output
040000 tree 785a0a8468224f2ec140275405ff95d5434367bf	partition